New York Mets Signed 1969 World Series Champions 11x14 Photo with Tom Seaver, Jerry Koosman, Gary Gentry, & Nolan Ryan (JSA COA & Ryan Hologram)
Jerry Koosman – Society for American Baseball Research
The Miracle Man! 50 years ago, Gil Hodges took reins of Mets and rest is just Amazin' – New York Daily News
Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
New York Mets - We will retire Jerry Koosman's number 36 in 2020. #Kooooz36 The lefty with the most wins in team history will join Tom Seaver and Mike Piazza as the
Jerry Koosman's No. 36 retired by Mets
How New York Mets signed pitcher Jerry Koosman thanks to eagle-eyed Staten Islander
Jerry Koosman - Wikipedia
Mets to Retire Jerry Koosman's Jersey - The New York Times